Sensor performance test experiment simulation equipment

Abstract

The utility model relates to sensor performance test experiment simulation equipment, which comprises a device body and an upper cover, the upper cover is hinged with the device body, an experiment cavity is arranged in the device body, a heating device is arranged at the bottom of the experiment cavity, a pressurization interface communicated with the experiment cavity is arranged on the device body, and a guide rail device is arranged in the experiment cavity. The guide rail device comprises a track, a mounting seat sliding along the track, a material placing mechanism arranged on the mounting seat and used for attaching a sensor, and a driving mechanism used for driving the mounting seat to move. The driving mechanism comprises a waterproof and pressure-resistant driving motor and a lead screw assembly connected with the driving motor. The technical scheme is adopted; the device is used for simulating underwater (0-50 meters) water flow disturbance or an experimental environment needing to be pressurized, the temperature and pressure of an inner cavity of the device are controllable, the speed of water flow / gas is controllable, the pressure in an experimental cavity can be regulated and controlled only by filling a small amount of water, matching with an air compressor and exhausting gas into the device through a pressurizing port, and the underwater pressure environment of 0-50 meters can be simulated.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field more specifically, and it is a kind of sensor performance test experimental simulation equipment. BACKGROUND

[0002] The waterproof performance, pressure resistance and performance in complex environment of sensor have important effect on the precision of experiment, so sensor needs to be comprehensively detected before being put into use, and current existing high-pressure experimental equipment cannot realize or simultaneously realize the underwater experimental environment simulation of simulating water flow disturbance, air flow disturbance, temperature, pressure and other influence factors, and existing sensor detection needs to pass through different experimental equipment to meet experimental demand, and it is complex to operate, and efficiency is low. UTILITY MODEL CONTENT

[0003] In view of the above, in order to overcome the defects of the prior art, the utility model provides a sensor performance test experimental simulation equipment.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of sensor performance test experimental simulation equipment, including device ontology and upper cover, the upper cover is hinged with device ontology, experimental cavity is provided in the device ontology, heating device is provided in the bottom of experimental cavity, the device ontology is provided with the booster interface and the vacuum plug interface for transmitting signal data for being communicated with experimental cavity, guide rail device is provided in experimental cavity, the guide rail device includes track, mounting seat sliding along track, setting on mounting seat for attaching sensor material placing mechanism and for driving mounting seat to move driving mechanism, the driving mechanism includes waterproof pressure-resistant driving motor and the screw rod assembly connected with driving motor, installation plate is provided in the two sides in experimental cavity, the track is detachably connected by connecting piece between installation plate, the material placing mechanism includes mechanical claw, adjusting assembly for adjusting the height of mechanical claw is provided between the mechanical claw and mounting seat.

[0005] By adopting the above technical scheme, the device is used for simulating water flow disturbance or experimental environment needing pressurization under water (0-50) meters, the temperature and pressure in the cavity of the device are controllable, a guide rail device composed of waterproof and pressure-resistant motors is used to simulate water flow / gas speed change, water flow / gas speed control is realized, according to the static pressure principle, only a small amount of water needs to be filled in the experimental cavity, a matched air compressor is used to control the pressure in the experimental cavity by pumping air into the device through the pressurizing port, the pressure environment under water 0-50 meters can be simulated, the device is mainly used to realize experimental test of sensors or other small devices in different environments, in addition to this, the device can also be used for simulation test of other related environments, signal transmission can be realized through additional configuration of wireless sensors or through wiring of the vacuum aviation plug on the experimental cavity, the adjusting assembly for adjusting the height of the mechanical claw is arranged between the mechanical claw and the mounting seat, the position of the sensor is conveniently adjusted, the track is arranged in the experimental cavity, and then the track is detachably connected with the mounting plate through the connecting piece, so that assembly is simple and convenient and stability is high.

[0006] The utility model further provides: the device body includes the upper shell, middle shell and lower shell that set up up and down, the upper shell lower extreme is provided with first connecting ring for connecting with middle shell, the middle shell upper and lower both ends are provided with second connecting ring, the lower shell upper extreme is provided with third connecting ring for connecting with middle shell, first connecting ring, third connecting ring and second connecting ring all correspond to set up mounting hole for installing connecting assembly, first connecting ring, third connecting ring and second connecting ring pass through two groups above connecting assembly and can be disconnected, the middle shell adopts transparent material.

[0007] Through adopting the above technical scheme, the height of the water level can be adjusted as required, but does not exceed the position of the middle shell, the middle shell is made of transparent material, which facilitates omnidirectional intuitive observation of the performance of the product to be measured, and the connecting assembly is used in cooperation with the first connecting ring, the third connecting ring and the second connecting ring to realize rapid assembly and high stability.

[0008] The utility model further provides: the utility model discloses a pressure increasing interface is connected with three -way pipeline, three -way pipeline includes with pressure increasing interface link's first branch, with the second branch of air pump and the third branch for exhausting, be provided with safety valve between first branch and pressure increasing interface, be provided with self -lock quick -action joint between second branch and air pump, be provided with ball valve between second branch and self -lock quick -action joint, the third branch is connected with exhaust valve.

[0009] Through adopting the above technical scheme, the self-lock quick-action joint connects the air pump to pressurize the cavity, which is convenient and rapid for adjusting the pressure, the ball valve is opened when the air pump is inflated and pressurized, and is closed when pressurization is stopped, the experimental cavity is depressurized and exhausted through the exhaust valve, the safety valve is set to a safety pressure value, and when the safety pressure value is exceeded, the pressure is automatically released to prevent explosion.

[0010] The utility model further sets up: the heating device includes setting up in the heating pipe of experiment cavity bottom and setting up in the connecting joint of device ontology outside, still be provided with the temperature and pressure integrated double display table for detecting the temperature, pressure of experiment cavity inside on the device ontology.

[0011] Through adopting above technical scheme, temperature can adjust through heating pipe, and detection time length can oneself time determination, and pressure, temperature can according to temperature and pressure integrated double display table to determine, can detect the waterproofness, pressure resistance of product to be tested, or performance under the influence of temperature, water flow, gas, pressure etc.

[0012] The utility model further sets up: the experiment cavity bottom is provided with the drain, and the device ontology is provided with the drain valve in the position of drain.

[0013] Through adopting above technical scheme, it is convenient to drain or adjust water level fast, and simple operation is convenient to use.

[0014] The utility model further sets up: the inner bottom of experiment cavity is provided with the erection baffle, the heating device sets up below the erection baffle, is provided with a plurality of water holes on the erection baffle, and the guide rail device is detachably connected with the erection baffle.

[0015] Through adopting above technical scheme, the erection baffle avoids affecting heating device, and the guide rail device is detachably connected with the erection baffle, and different test components are supported to install.

[0016] The utility model further sets up: be provided with sealing ring between the upper cover and device ontology, and be connected through multiple fastening handwheels between the upper cover and device ontology.

[0017] Through adopting above technical scheme, the sealing performance in experiment cavity is strengthened.

[0018] The utility model discloses below combining with the embodiment of drawing and embodiment describes the specific embodiment of the utility model. DRAWINGS

[0019] Fig. 1 It is the utility model embodiment perspective.

[0020] Fig. 2 It is the utility model embodiment sectional view.

[0021] : 1. device body, 11. experimental cavity, 111. drain, 112. drain valve, 113. mounting plate, 114. connecting piece, 12. booster interface, 14. vacuum interface, 15. upper shell, 151. first connecting ring, 16. middle shell, 161. second connecting ring, 17. lower shell, 171. third connecting ring, 18. tee pipe, 181. first branch, 182. second branch, 183. third branch, 184. safety valve, 185. self-locking quick connector, 186. ball valve, 187. exhaust valve, 2. upper cover, 3. heating device, 31. heating pipe, 32. connecting joint, 4. guide rail device, 41. rail, 42. mounting seat, 43. material placing mechanism, 431. mechanical claw, 432. adjusting assembly, 44. driving mechanism, 441. driving motor, 442. screw rod assembly, 5. temperature and pressure integrated dual display meter, 6. partition plate, 61. water permeable hole, 7. fastening hand wheel, 8. connecting assembly. DETAILED DESCRIPTION

[0022] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications without creative contribution according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0023] Referring to the accompanying Figs. 1-2 The embodiment discloses a sensor performance test experiment simulation equipment, which comprises a device body 1 and an upper cover 2, the upper cover 2 is hinged to the device body 1, an experimental cavity 11 is arranged in the device body 1, a heating device 3 is arranged at the bottom of the experimental cavity 11, a booster interface 12 and a vacuum interface 14 for transmitting signal data are arranged on the device body 1 and communicate with the experimental cavity 11, a guide rail device 4 is arranged in the experimental cavity 11, the guide rail device 4 comprises a rail 41, a mounting seat 42 sliding along the rail 41, a material placing mechanism 43 arranged on the mounting seat 42 and used for attaching a sensor, and a driving mechanism 44 used for driving the mounting seat 42 to move, the driving mechanism 44 comprises a waterproof and pressure-resistant driving motor 441 and a screw rod assembly 442 connected with the driving motor 441, mounting plates 113 are arranged on both sides of the experimental cavity 11, the rail 41 and the mounting plates 113 are detachably connected through connecting pieces 114, the material placing mechanism 43 comprises a mechanical claw 431, and an adjusting assembly 432 for adjusting the height of the mechanical claw 431 is arranged between the mechanical claw 431 and the mounting seat 42.

[0024] The embodiment is further provided with: the device body comprises an upper shell 15, a middle shell 16 and a lower shell 17 arranged in an up-down manner, the lower end of the upper shell 15 is provided with a first connecting ring 151 for connecting with the middle shell 16, the upper and lower ends of the middle shell 16 are respectively provided with a second connecting ring 161, the upper end of the lower shell 17 is provided with a third connecting ring 171 for connecting with the middle shell 16, the first connecting ring 151, the third connecting ring 171 and the second connecting ring 161 are all correspondingly provided with mounting holes for mounting the connecting assembly 8, the first connecting ring 151, the third connecting ring 171 and the second connecting ring 161 are detachably connected through two or more connecting assemblies 8, and the middle shell 16 is made of transparent material.

[0025] The embodiment is further provided with: the booster interface 12 is connected with a three-way pipeline 18, the three-way pipeline 18 comprises a first branch 181 connected with the booster interface 12, a second branch 182 connected with the air pump and a third branch 183 for exhaust, a safety valve 184 is arranged between the first branch 181 and the booster interface 12, a self-locking quick connector 185 is arranged between the second branch 182 and the air pump, a ball valve 186 is arranged between the second branch 182 and the self-locking quick connector 185, and the third branch 183 is connected with an exhaust valve 187.

[0026] The embodiment is further provided with: the heating device 3 comprises a heating pipe 31 arranged at the bottom of the experimental cavity 11 and a connecting joint 32 arranged outside the device body 1, and the device body 1 is further provided with a temperature and pressure integrated double display meter 5 for detecting the temperature and pressure inside the experimental cavity 11.

[0027] The embodiment is further provided with: the bottom of the experimental cavity 11 is provided with a drain port 111, and the device body 1 is provided with a drain valve 112 corresponding to the position of the drain port 111.

[0028] The embodiment is further provided with: the bottom of the experimental cavity 11 is provided with a shelf partition 6, the heating device 3 is arranged below the shelf partition 6, the shelf partition 6 is provided with a plurality of water permeable holes 61, and the guide rail device 4 is detachably connected with the shelf partition 6.

[0029] The embodiment is further provided with: a sealing ring is arranged between the upper cover 2 and the device body 1, and the upper cover 2 and the device body 1 are connected through a plurality of fastening hand wheels 7.

[0030] The operation method of the sensor performance test experiment simulation device comprises the following steps: S1: opening the upper cover 2, attaching the flexible sensor to be tested on the material placing mechanism 43; S2: connecting the electrode wires at both ends of the flexible sensor to the vacuum plug interface 14 through the lead; S3: filling water into the experiment cavity 11 until the water level can submerge the flexible sensor but does not exceed the material placing mechanism 43; S4: closing the upper cover 2 and tightening through the tightening handle; S5: controlling the temperature in the experiment cavity 11 through the heating device 3, adjusting the pressure in the experiment cavity 11 through the ball valve 186, and observing and monitoring the internal pressure and water temperature of the experiment cavity during the experiment through the temperature and pressure integrated double display table 5 (the heating device 3 is powered on, and the water temperature is heated to 28 DEG C (observed through the temperature and pressure integrated double display table 5), and the heating is stopped after the target temperature is reached; secondly, the experiment cavity 11 is inflated to achieve the purpose of pressurization through the control valve 121, and the pressure is stopped at 0.2 MPa (observed through the temperature and pressure integrated double display table 5). Finally, first, the moving speed of the mounting seat 42 is set to 0.5 m / min, and the data is collected by using the digital multimeter, and then the moving speed of the mounting seat 42 is set to 0.8 m / min); S6: connecting the digital multimeter with the vacuum plug interface 14, opening the digital multimeter and the matching data analysis software for testing and collecting data; S7: after the test is completed, the internal pressure is discharged through the exhaust valve 187; S8: opening the upper cover 2, disconnecting the lead for transmitting data from the electrode wires at both ends of the flexible sensor; S9: taking down the flexible sensor, emptying the water in the experiment cavity 11 through the drain valve 112, and closing the upper cover 2.

[0031] The sensor performance test experiment simulation device can be used for different tests: 1) exploring the influence of water flow rate on the performance of the sensor, the temperature and pressure in the box body are set to be constant, and different guide rail speeds are set; 2) exploring the influence of temperature on the performance of the sensor, the pressure in the box body and the guide rail speed are set to be constant, and different temperatures are set; 3) exploring the influence of pressure (simulating different water depth environments) on the performance of the sensor, the temperature in the box body and the guide rail speed are set to be constant, and different pressures are set.

[0032] According to different test contents, the specific environmental parameters set in step S5 are different.

[0033] The flexible sensor reflects the working performance by the change of resistance signal and response frequency. The data analysis device is the DMM resistance signal test module of the digital multimeter and Keithley KickStart software, and different data analysis software can be used according to the different working principles of the detected sensor.

[0034] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the above "between" does not only refer to the orientation, position, but also includes the meaning of the interaction between different parts.

[0035] Although the device body 1, the experimental cavity 11, the drain port 111, the drain valve 112, the booster interface 12, the vacuum interface 14, the upper shell 15, the first connecting ring 151, the middle shell 16, the second connecting ring 161, the lower shell 17, the third connecting ring 171, the three-way pipeline 18, the first branch 181, the second branch 182, the third branch 183, the safety valve 184, the self-locking quick connector 185, the ball valve 186, the exhaust valve 187, the upper cover 2, the heating device 3, the heating pipe 31, the connecting joint 32, the guide rail device 4, the track 41, the mounting seat 42, the material placing mechanism 43, the mechanical claw 431, the adjusting assembly 432, the driving mechanism 44, the driving motor 441, the screw rod assembly 442, the temperature and pressure integrated double display meter 5, the partition plate 6, the water permeable hole 61, the fastening hand wheel 7, the connecting assembly 8 and the like are used more in the text, but the possibility of using other terms is not excluded. Using these terms is only for the convenience of describing and explaining the essence of the utility model; any kind of additional limitation is contrary to the spirit of the utility model.

Claims

1. A sensor performance testing simulation device, characterized in that: The device includes a main body and a top cover, the top cover being hinged to the main body. An experimental chamber is located within the main body, and a heating device is located at the bottom of the experimental chamber. The main body has a pressurization interface connected to the experimental chamber and a vacuum port for transmitting signal data. A guide rail device is located within the experimental chamber, comprising a track, a mounting base sliding along the track, a material placement mechanism mounted on the mounting base for attaching sensors, and a drive mechanism for moving the mounting base. The drive mechanism includes a waterproof and pressure-resistant drive motor and a lead screw assembly connected to the drive motor. Mounting plates are located on both sides of the experimental chamber, and the track is detachably connected to the mounting plates via connectors. The material placement mechanism includes a mechanical claw, and an adjustment component for adjusting the height of the mechanical claw is located between the mechanical claw and the mounting base.

2. The sensor performance testing simulation device according to claim 1, characterized in that: The device body includes an upper shell, a middle shell, and a lower shell arranged vertically. The lower end of the upper shell is provided with a first connecting ring for connecting with the middle shell. The upper and lower ends of the middle shell are respectively provided with second connecting rings. The upper end of the lower shell is provided with a third connecting ring for connecting with the middle shell. The first, third, and second connecting rings are each provided with mounting holes for installing connecting components. The first, third, and second connecting rings are detachably connected by two or more sets of connecting components. The middle shell is made of transparent material.

3. The sensor performance testing simulation device according to claim 1, characterized in that: The booster port is connected to a tee pipe, which includes a first branch connected to the booster port, a second branch connected to the air pump, and a third branch for exhaust. A safety valve is provided between the first branch and the booster port, a self-locking quick connector is provided between the second branch and the air pump, a ball valve is provided between the second branch and the self-locking quick connector, and the third branch is connected to the exhaust valve.

4. The sensor performance testing simulation device according to claim 1, characterized in that: The heating device includes a heating tube located at the bottom of the experimental chamber and a connecting joint located outside the device body. The device body is also equipped with a temperature and pressure integrated dual display meter for detecting the temperature and pressure inside the experimental chamber.

5. The sensor performance testing simulation device according to claim 1, characterized in that: The bottom of the experimental chamber is provided with a drain outlet, and the device body is provided with a drain valve at the position corresponding to the drain outlet.

6. The sensor performance testing simulation device according to claim 1, characterized in that: The experimental chamber is equipped with a support partition at the bottom, the heating device is located below the support partition, the support partition has multiple water-permeable holes, and the guide rail device is detachably connected to the support partition.

7. The sensor performance testing simulation device according to claim 1, characterized in that: A sealing ring is provided between the upper cover and the device body, and the upper cover and the device body are connected by multiple sets of fastening handwheels.

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